Mandoline UI Process: Update namespaces and file names

components/mus/gles2/command_buffer_impl.cc

Index: components/mus/gles2/command_buffer_impl.cc
diff --git a/components/mus/gles2/command_buffer_impl.cc b/components/mus/gles2/command_buffer_impl.cc
index 2cc4ca797211a796b84def2e5fb25d189c893110..7944f4c026163597e26d4a00b06fd4db36858c4a 100644
--- a/components/mus/gles2/command_buffer_impl.cc
+++ b/components/mus/gles2/command_buffer_impl.cc
@@ -11,11 +11,14 @@
 #include "components/mus/gles2/gpu_state.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
 
-namespace gles2 {
+namespace mus {
+
 namespace {
+
 void RunCallback(const mojo::Callback<void()>& callback) {
   callback.Run();
 }
+
 }  // namespace
 
 class CommandBufferImpl::CommandBufferDriverClientImpl
@@ -167,4 +170,4 @@ void CommandBufferImpl::DidLoseContext() {
   OnConnectionError();
 }
 
-}  // namespace gles2
+}  // namespace mus